Gastroesophageal reflux - series
Normal anatomy
The esophagus is a narrow, muscular tube that leads from the mouth to the stomach. The esophagus carries food from the mouth to the stomach. A sphincter at the junction of the esophagus and the stomach prevents reflux of food and acid from the stomach into the esophagus.
Update Date: 12/10/2010
Updated by: A.D.A.M. Editorial Team: David Zieve, MD, MHA, and David R. Eltz. Previously reviewed by George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California (8/1/2009).
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